That said, preparing Kirol is a relatively unexciting gravebreak trigger, and the extra mana might be better spent on something elselike playing a card you recurred from the graveyard or casting a spell with flashback to trigger a more impactful synergy
1x Pre-constructed 60-Card Deck (Randomized from Deck #001 to #100)
(Yes, I'm going to deal with the likelihood I'll never so much as see one of these cards, let alone open one, by being a snob)
Follow your favorite creators, show off your showcase, and talk comps with collectors who get it
New releases mean more available copies, so shop around
Artifacts Okay, not actually a color, but I wanted to point out that artifacts already have carte blanche to do discard effects (a la Disrupting Scepter)